COMPOUNDS

The properties of the elements that make up a compound are usually very similar to the compound itself.

• True
• False

A compound consists of two or more elements bound together.

• True
• False

Is Iron (Fe) an element or a compound?

• Element
• Compound

How many elements are in HHe

• 3
• 4
• 2
• 5

Is salt (NaCI) a compound or a element

• Compound
• element

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

How many TOTAL atoms are in the compound CaCO₃?

• 3
• 5
• 6
• 4

Which of the following is NOT an element?

• Co
• SO
• Mg
• H

In the compound 3H₂O, the number 2 represents a __.

• Subscript
• Coefficient
• Reactant
• Product

In the chemical equation
2H₂ + O₂ --> 2H₂O
what does the 2H₂ + O₂ represent?

• subscipt
• coefficent
• Reactant
• Product